Michael Jonathan Chandler, M.D.
NPI 1235280660ActiveIndividual· Allergy & Immunology· New York, NY
Allergy & Immunology (M.D.) in New York, New York, trained at Wayne State University School of Medicine (class of 1981). Their prescriptions cost Medicare Part D more than their services did: $806,165 for 1,156 claims, against $132,317 paid for services in 2024. Glaxosmithkline, LLC. was the largest of 3 companies reporting payments in 2025, $683.98 in all, mostly food and beverage.
Overview
| NPI | 1235280660 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jan 14, 2007 |
| Last updated in NPPES | Sep 16, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Allergy & Immunology Primary | 207K00000X | 156469 | NY |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Allergy/Immunology (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 205 |
|---|---|
| Services billed | 2,326 across 12 procedure codes |
| Paid by Medicare | $132,317 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,156 · 1,369 30-day fills |
|---|---|
| Patients | 177 |
| Total drug cost | $806,165 |
| Generic share | 80% of claims |
Education and affiliations
| Medical school | Wayne State University School of Medicine |
|---|---|
| Graduation year | 1981 |
| Medicare specialty | Allergy/Immunology |
| Secondary specialties | Internal Medicine |
Industry payments (Open Payments)
- 2025$683.98 · 41 payments from 3 companies
- 2024$642.42 · 37 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaxosmithkline, LLC. | $261.46 | 14 |
| Astrazeneca Pharmaceuticals LP | $221.71 | 13 |
| Genzyme Corporation | $200.81 | 14 |
What the 2025 payments were for
- Food and Beverage$683.98 · 41 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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